Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2186457Generated: October 30, 2026

4-Difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid → HCID 10109411, compound

https://huagongshe.com/reaction/2186457

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acidHCID 22456643—
Reactant3-Ethyl-5-methylisoxazol-4-amineHCID 22456668—
SolventDiethylether hexaneHCID 21584099—
ProductHCID 10109411HCID 1010941154.6%

Reaction Steps

Starting from 4-difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid (0.20 g) and 3-ethyl-5-methylisoxazol-4-ylamine (0.20 g). Purification by column chromatography on silica eluting 20-50% ethyl acetate in heptane afforded, after trituration with diethyl ether-hexane, the title compound as a white solid (0.155 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06403791B1
Source datasetuspto-grants-2002_06
ORD IDord-6189d3cd665344b5bd13e8a26fa74005
Source noteuspto-grants-2002_06